Here is the full list of all 18 Duck Game achievements.
Kill 3 ducks at the same time with the Death Ray.
Win a round in a 4 player match by converting all players to your team.
Break 10 draws.
Play through a match that goes to 50 points.
Play on 10 different custom maps.
Unlock the arcade basement.
Finish 50 whole games.
Spawn 1000 times.
Win 10 online matches.
Crush 50 ducks.
Kill 1000 ducks with any one profile.
Spawn 100 times.
Get best trophy in all challenges.
Spend 15 minutes on fire with any one profile.
Win a round while standing on a mine.